Pressflow 6
Pressflow 6 is compatible with new and existing Drupal 6-based sites.
Download .tar.gz and .zip files from github.
Download using git
git clone git://github.com/pressflow/6.git pressflow-6
Download using Bazaar
bzr branch lp:pressflow/6.x pressflow-6
Update using Bazaar (from anywhere within your Pressflow installation):
bzr merge lp:pressflow/6.x bzr commit -m "Updated Pressflow."
Download using Subversion
svn checkout http://svn.github.com/pressflow/6.git
Pressflow 5
Pressflow 5 is compatible with new and existing Drupal 5-based sites. Please visit the Pressflow 5.x series on Launchpad for downloads.
From Drupal to Pressflow
Follow the instructions for “Updates” below. It’s that simple.
Installation
Download Pressflow and follow Drupal’s installation instructions.
Updates
Download Pressflow and follow Drupal’s upgrade instructions.